Correction for the size of Lake Ontario
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How big is 2,490,080 hectares?
It's about one-and-three-tenths times as big as Lake Ontario
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The size of Lake Ontario is about 1,896,000 hectares.
(a.k.a. Lac Ontario) (surface area)
The smallest of North America's Great Lakes (by surface area), Lake Ontario has a total area of 1,896,000 hectares. It borders the cities of Toronto, Ontario, Canada and Rochester, New York.